Slice, the ultimate online shopping assistant, has launched the Slice API. The Slice API allows third party apps to integrate Slice features such as price drop alerts, tracking packages, spending tracking, email receipts and more. Slice is currently recruiting developers to test the API and build apps upon the Slice platform. Slice is dedicated to changing the way online shoppers interact with the products they buy online, and the Slice API sits at the heart of its mission.

Gowalla, Foursquare, Yelp, Facebook Places, the list goes on. There's certainly no shortage of methods to tell people where you are and what you're doing while you're there. Startup Whatser, built on the SoGeo API for location-based apps, has jumped into the ring with a different approach to check-in services: to be useful.

The Google Firebase APP Indexing API supports the introduction and visibility of apps in Google Search. It allows Google to index app content for purposes of exposing it in Search results. Users can...